"Amici prism" meaning in English

{
  "etymology_text": "Named after the astronomer Giovanni Battista Amici.",
  "forms": [
    {
      "form": "Amici prisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Amici prism (plural Amici prisms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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      "glosses": [
        "A kind of compound dispersive prism used in spectrometers, consisting of two triangular prisms in contact, with the first typically made from a medium-dispersion crown glass, and the second from a higher-dispersion flint glass."
      ],
      "id": "en-Amici_prism-en-noun-aVJUR-wu",
      "links": [
        [
          "spectrometer",
          "spectrometer"
        ]
      ]
    }
  ],
  "word": "Amici prism"
}

{
  "etymology_text": "Named after the astronomer Giovanni Battista Amici.",
  "forms": [
    {
      "form": "Amici prisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Amici prism (plural Amici prisms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A kind of compound dispersive prism used in spectrometers, consisting of two triangular prisms in contact, with the first typically made from a medium-dispersion crown glass, and the second from a higher-dispersion flint glass."
      ],
      "links": [
        [
          "spectrometer",
          "spectrometer"
        ]
      ]
    }
  ],
  "word": "Amici prism"
}